<template>
  <view class="goods-item">
    <!-- 左侧 -->
    <view class="goods-item-left">
      <radio :checked="goods.goods_state" color="#C00000" v-if="showRadio" @click="radioClickHandler"></radio>
      <image :src="goods.goods_small_logo || defaultPic" class="goods-pic"></image>
    </view>
    <!-- 右侧 -->
    <view class="goods-item-right">
      <view class="goods-name">{{goods.goods_name}}</view>
      <view class="goods-info-box">
        <view class="goods-price">
          ￥{{goods.goods_price | tofixed}}
        </view>
        <uni-number-box :mix="1" :value="goods.goods_count" v-if="showRadio" @change="numChangeHandler"></uni-number-box>
      </view>
    </view>
  </view>
</template>

<script>
  export default {
      // 定义 props 属性，用来接收外界传递到当前组件的数据
      props: {
        // 商品的信息对象
        goods: {
          type: Object,
          defaul: {},
        },
        showRadio:{
          type:Boolean,
          default:false
        }
      },
      data() {
        return {
          // 默认的空图片
          defaultPic: 'https://img3.doubanio.com/f/movie/8dd0c794499fe925ae2ae89ee30cd225750457b4/pics/movie/celebrity-default-medium.png',
        }
      },
      filters:{
        tofixed(num){
          return Number(num).toFixed(2)
        }
      },
      methods:{
        radioClickHandler() {
            // 通过 this.$emit() 触发外界通过 @ 绑定的 radio-change 事件，
            // 同时把商品的 Id 和 勾选状态 作为参数传递给 radio-change 事件处理函数
            this.$emit('radio-change', {
              // 商品的 Id
              goods_id: this.goods.goods_id,
              // 商品最新的勾选状态
              goods_state: !this.goods.goods_state
            })
          },
          numChangeHandler(val){
            this.$emit('num-change',{
              goods_id:this.goods.goods_id,
              goods_count:+val
            })
          }
        
      }
      
      
    }
 
</script>
<style lang="scss">
  .goods-item {
    display: flex;
    padding: 10px 5px;
    border-bottom: 1px solid #f0f0f0;
  
    .goods-item-left {
      margin-right: 5px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      .goods-pic {
        width: 100px;
        height: 100px;
        display: block;
      }
    }
  
    .goods-item-right {
      display: flex;
      flex: 1;
      flex-direction: column;
      justify-content: space-between;
  
      .goods-name {
        font-size: 13px;
      }
      .goods-info-box{
        display: flex;
        align-items: center;
        justify-content: space-between;
      }
      .goods-price {
        font-size: 16px;
        color: #c00000;
      }
    }
  }
</style>
